Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua phap toi snippets" » "cu phap toi snippets", "va phap toi snippets", "cua nha toi snippets", "cua phap tai snippets", "cua phap thi snippets", "cua phap boi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cua phap toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua phap toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua phap toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua phap toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.